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GB 19193-2015: General principle on disinfection for infectious focus
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General principle on disinfection for infectious focus
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Basic data | Standard ID | GB 19193-2015 (GB19193-2015) | | Description (Translated English) | General principle on disinfection for infectious focus | | Sector / Industry | National Standard | | Classification of Chinese Standard | C50 | | Classification of International Standard | 11.08 | | Word Count Estimation | 19,193 | | Date of Issue | 2015-06-02 | | Date of Implementation | 2016-01-01 | | Older Standard (superseded by this standard) | GB 19193-2003 | | Quoted Standard | GB 4789.4; GB 4789.5; GB 4789.11; GB 5749; GB 15979; GB 15981; GB 15982-2012; GB 18466-2015; WS 310.2 | | Regulation (derived from) | National Standard Announcement 2015 No.19 | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This Standard specifies requirements foci sterilization, disinfection and sterilization effect evaluation principles. This Standard applies to all types of infectious foci disinfection. | GB 19193-2015: General principle on disinfection for infectious focus---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
General principle on disinfection for infectious focus
ICS 11.080
C50
National Standards of People's Republic of China
Replacing GB 19193-2003
General disinfection foci
Issued on. 2015-06-02
2016-01-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Table of Contents
Preface Ⅰ
1 Scope 1
2 Normative references 1
3 Terms and definitions
4 foci disinfection requirements 2
5 infectious foci disinfection Principle 2
6 foci disinfection Evaluation 6
Appendix A (normative) foci of terminal disinfection procedures 7
Processing Annex B (informative) prion contaminants 9
Annex C (normative) foci disinfection Evaluation 10
Annex D (informative) epidemic terminal disinfection and disinfection work at any time record table 13
Foreword
In addition to technical contents of this standard 5.1.1.7 and Appendix B, Appendix D, but are mandatory.
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
This standard replaces GB 19193-2003 "General disinfection foci", compared with GB 19193-2003, the main technical changes are as follows.
--- Modified at any time disinfection hygiene requirements;
--- Modify the terminal disinfection hygiene requirements;
--- Modify the foci disinfection principles of various types of infectious diseases;
--- Added Appendix B "prion contaminant treatment" and Appendix D "epidemic terminal disinfection and disinfection work at any time record", the original attachment
Appendix B to Appendix C.
This standard is proposed and managed by the National Health and Family Planning Commission People's Republic of China.
This standard was drafted. Sichuan University, China Center for Disease Control Environmental Health and Related Product Safety, Chengdu, disease prevention
Control Center, Jiangsu Provincial Health Authority, Sichuan Center for Disease Control and Prevention.
Drafters of this standard. Zhangchao Wu, Zhang stream wave, Wang Guoqing, Liu Heng Chuan, Lixin Wu, YE Qing-Pro, Gu Jian, HE Jian Handan, Liu Jun, Hu Shun iron,
Hydroturbine.
This standard was first released in June 2003.
General disinfection foci
1 Scope
This standard specifies the requirements foci disinfection, sterilization and disinfection evaluation principles.
This standard applies to all types of infectious foci disinfection.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
National Food Safety Standard GB 4789.4 Microbiological Examination of Salmonella food
GB 4789.5 national food safety standards of food microbiology testing Shigella test
National Food Safety Standard GB 4789.11 Microbiological examination of food hygiene inspection hemolytic streptococcus
GB 5749 drinking water health standards
GB 15979 standard disposable sanitary products
Evaluation of GB 15981 disinfection and sterilization effect of the standard
GB 15982-2012 Hygienic standard hospital disinfection
GB 18466-2015 medical institutions water pollutant discharge standards
WS310.2 hospital central sterile supply - Part 2. cleaning and disinfection and sterilization technology practices
Medical Waste Management Regulations (2003 edition) of the State Council Order No. 380
Disinfection technical specifications (2002 edition) Ministry of Health
Hygienic Standard for Cosmetics (2007) Ministry of Health
3 Terms and Definitions
The following terms and definitions apply to this document.
3.1
Foci infectiousfocus
Now exists or once existed a source of infection sites and the source of infection may spread range of pathogens.
3.2
Foci disinfection disinfectionforinfectiousfocus
Foci within the sterile environment pollution and goods.
3.3
Ready to Disinfection concurrentdisinfection
In the presence of foci disinfection carried out the source of infection.
NOTE. Always disinfect the purpose of killing or removal of the source of infection promptly discharged from pathogenic microorganisms.
3.4
Terminal disinfection terminaldisinfection
After leaving the source of infection foci, the foci of the conduct of a thorough disinfection.
NOTE. terminal disinfection hospitalized patients with infectious diseases can be transferred or after the death of their homes and disinfect contaminated items carried; may be the hospital of infectious diseases
The patient is discharged, or transferred after the death of the sick chamber last disinfection.
4 foci disinfection requirements
4.1 at any time disinfection hygiene requirements
4.1.1 hospital disinfection at any time according to GB 15982-2012 Chapter 4 execution.
4.1.2 disinfection should be ready at any time according to the situation. Disinfection eligibility criteria for the extinction rate of natural bacteria should be ≥90%.
4.1.3 inspection method according to GB 15982-2012 Appendix A to perform.
4.2 terminal disinfection hygiene requirements
4.2.1 surface disinfection, the declining rate of natural bacteria should be ≥90%.
4.2.2 excretions, secretions disinfection should not be detected pathogenic microorganisms or target microorganisms.
4.2.3 is the blood and other pathogenic microorganisms disinfect contaminated and should not be detected in the target pathogenic microorganisms or microbes.
4.2.4 Air disinfection should not be detectable indicator organisms or target organisms; extinction rate of natural bacteria should be ≥90%.
4.3 sewage treatment
According to GB 15982-2012 5.8 execution.
4.4 medical institutions water pollutant discharge standards
According to GB 18466 execution.
4.5 terminal disinfection procedures
Executed in accordance with Appendix A.
5 infectious foci disinfection principle
5.1 A Class infectious foci disinfection principle
5.1.1 plague epidemic and disinfection of infected areas
5.1.1.1 Indoor air disinfection of environmental surfaces
Available containing chlorine or bromine effective 1000mg/L ~ 2000mg/L disinfectant, or 2000mg/L ~ 5000mg/L peracetic
Acid, according to 300mL/m2 within the patient room spray disinfection; can also be used quaternary ammonium disinfectant or a phenolic disinfectant for disinfection.
Pneumonic plague can be used above disinfectant concentration and dosage for small isolated house full circle spray disinfection; indoor air will dilute peracetic acid
Release into 5000mg/L ~ 10000mg/L aqueous solution of 60% to 80% relative humidity, heating evaporation at room temperature, the amount of peracetic acid by 1g/m3
Computing, fumigation 2h.
5.1.1.2 pollution equipment disinfection
General heat resistant and moisture contaminated items, such as quilt, utensils, tea, toys, etc. can be boiled 15min, steam or steam pressure by conventional extinction
Poison; containing chlorine or bromine effective 1000mg/L ~ 2000mg/L disinfectant disinfection 1h ~ 2h. Do not heat or humidity Matter
Goods, such as cotton, cotton underwear, hides, wool and other products should be sent to professional disinfection disinfection station.
5.1.1.3 excreta, secretions disinfection
Patient excreta, secretions, vomit and other specialized containers should be collected, containing chlorine 20000mg/L disinfectant, press manure, than drugs
Example 1.2 immersion disinfection 2h; if a large number of diluted waste, application containing chlorine bleach 70% to 80% lean powder, according to feces, the proportion of drug
20.1 Stir well after dosing, disinfection 2h.
Disinfection 5.1.1.4 other contaminated items
Pollution of water containing foods that are high, after heat sterilization should be abandoned; drying food or food contamination to be abandoned after the waste heat sterilization. Pollution
Garbage, household waste, cats, dogs and other nest bedding etc. should be burned to kill pathogens.
5.1.1.5 carcass disposal
Patients suffering from the plague of death body, the patient's treatment by medical institutions or local disease prevention and control agency responsible for disinfection. first
First with 5000mg/L peracetic acid solution or 5000mg/L chlorine available chlorine disinfectant-soaked cotton to plug the mouth, ears, nose, anus,
Vagina and other natural cavities, and then above disinfectant spray the whole body, and then use the above disinfectant-soaked sheets or other cloth wrapped tightly single corpse
After the body immediately cremated at a nearby; do not have cremated conditions in rural, remote areas or ethnic minority areas, away from residential choose 500m outside,
50m away from drinking water sources other than the place where the body from the ground below 2m deep, bottom of the pit and spread around the body pad 3cm ~ 5cm thick
Bleach.
5.1.1.6 Processing of indoor and outdoor environments
Plague patients to contaminated indoor and outdoor environment should be disinfected, rodent, flea and kill infected animals.
Processing 5.1.1.7 prion contamination
Refer to Appendix B to perform.
5.1.2 cholera epidemic and disinfection of infected areas
Disinfection 5.1.2.1 patient excretions, secretions, etc.
Loose stools and vomit disinfection by loose stools and vomit and disinfectant at a ratio 10.1 added bleach powder (containing 25% available chlorine
32%); molding press fecal droppings, the proportion of 1.2 disinfectant solution containing available chlorine 10000mg/L ~ 20000mg/L chlorine disinfectant, after full
After stirring, the role of 2h. Before drying process should be adequate excreta diluted with water after soaking to soften, then forming stool disinfection.
5.1.2.2 disinfect environmental surfaces
Contaminated room, toilets, corridors and other surfaces should be disinfected and then clear the obvious waste; to scrape dirt floor also contaminated topsoil (another
Disinfect) after containing chlorine 2000mg/L ~ 5000mg/L chlorine disinfectant or 5000mg/L peracetic acid disinfection; non-mud
Land surface with 1000mg/L ~ 2000mg/L effective chlorine or 2000mg/L peracetic acid disinfectant; amount varies according to the nature of the ground
It varies, usually the lowest amount of 100mL/m2 ~ 200mL/m2, the highest available 1000mL/m2, to spray evenly, moisture, not water
Limit.
5.1.2.3 equipment disinfection
Articles of heat resistant and moisture, such as cotton fabric, metal, ceramic, glass items, heating or boiling 15min pressure steam sterilization, can also be used
1000mg/L effective chlorine or chlorine disinfectant soak 1h ~ 2h, quaternary disinfectant can also be used for disinfection. Do not heat intolerance
Wet items such as books, documents, paintings, contaminated cotton, fur, feather products, Ethylene Oxide Sterilizer process. Of moisture was
Products, such as various plastics, appliances, containers, rayon fabrics, available chlorine containing 1000mg/L ~ 2000mg/L disinfectant or
2000mg/L peracetic acid solution soak 30min wipe or surface disinfection. Pollution of precision instruments, appliances and other items available for ethanol,
Quaternary ammonium disinfectant wipe disinfection.
5.1.2.4 tableware disinfection
After tableware patients should be sterilized by boiling 15min ~ 30min or more, or the flow of steam sterilization 30min. 0.5% peroxide can also be used
Acetic acid solution or 250mg/L ~ 500mg/L DBDMH solution or 250mg/L ~ 500mg/L effective chlorine or chlorine disinfectant solution immersed
Soak for more than 30min, then rinse.
5.1.2.5 Drinking Water Disinfection
Centralized water supply treated water chlorine amount not less than 0.5mg/L, the amount of residual chlorine in tap water not less than 0.05mg/L. Decentralized water supply as
Directly from rivers, canals, ponds, wells take water, should be filled with water in the container per liter of water was added 1mg ~ 5mg available chlorine disinfectant for disinfection,
Requirements for 30min, the amount of residual chlorine should be up to 0.5mg/L.
5.1.2.6 Wastewater Disinfection
It can be sodium hypochlorite, chlorine, chlorine dioxide, ozone disinfection of sewage. Effluent discharge standards by GB 18466-2005 4.1 execution;
If the sewage is discharged out to deal with gutter segment closure chlorination, commonly used drugs and dosage concentration should be in accordance with the organic content of sewage have
Available chlorine 20mg/L ~ 50mg/L chlorine disinfectant, the role of 1.5h, the residual chlorine should be greater than 6.5mg/L.
5.1.2.7 carcass disposal
Press 5.1.1.5 executed.
5.2 B, C class infectious foci disinfection principle
5.2.1 through the digestive tract of the B and C class infectious foci disinfection principle
5.2.1.1 surface disinfection of indoor environments
With available chlorine 1000mg/L ~ 2000mg/L effective chlorine or 2000mg/L peracetic acid disinfectant spray disinfectant solution for sequentially with
Amount of 200mL/m2 ~ 300mL/m2; a lower resistance to the multiplication of bacteria, can also be used quaternary ammonium salt and phenolic disinfectant consumption
Poison; spores have contaminated should be used 5000mg/L effective chlorine or 5000mg/L peracetic acid disinfectant spray disinfectant solution.
5.2.1.2 contaminated eating utensils disinfection
Boiling disinfection 15min, or containing chlorine 250mg/L disinfectant 30min ~ 60min.
5.2.1.3 Drinking water disinfection
After drinking water disinfection should meet the requirements of GB 5749.
5.2.1.4 Wastewater Disinfection
Contaminated water, sewage treatment station, should meet the requirements of GB 18466 after discharge. No sewage treatment facilities, can be added to chlorine
Disinfectant 90min, the amount of residual chlorine should reach 6.5mg/L.
5.2.1.5 disinfection of contaminated items, appliances, etc.
5.1.2.3 Press processing; you can use ≥2000mg/L chlorine disinfectant soak or wipe disinfection 2h when spore contamination.
5.2.1.6 leftover food disinfection
1h patients leftover food boiled or burned, food can not be suspected livestock.
Disinfection 5.2.1.7 excreta, secretions, etc.
Excreta, secretions, etc. must be harmless after disinfection. Sterilization method carried out according to 5.1.1.3, but for patients with hepatitis feces disinfection
With available chlorine 10000mg/L disinfectant containing fecal press. drug is 1.2 added, stirring 6h, loose stools according to 5.1 added bleach (there
Available chlorine content of 25% to 32%).
5.2.1.8 The corpse treatment
The corpse tightly wrapped immediately after cremated or buried. Anthrax used in the treatment of waste and organic waste should all be burned.
5.2.1.9 processing dead livestock carcasses, etc.
5.2.1.9.1 livestock tightly wrapped corpse after cremation or buried
Have been diagnosed with anthrax in livestock should be prohibited anatomy, should the overall incineration. A 200kg ~ 500kg of dead livestock need gasoline or diesel when burned
Oil 100kg ~ 120kg, first dug in the ground a wide 1m ~ 1.5m, length 3m ~ 3.5m, 1m long deep ditch, with iron bars on the frame groove, and then
After the addition firewood 100kg iron bar while preparing elongated drill rod, dying livestock on set firewood, and then ignited, when the carcass abdominal swelling, steel
Solder will pierce skin animals, to prevent the internal organs and other objects flying, gradually add gasoline or diesel, firing until the ashes so far.
5.2.1.9.2 sick animals excreta disinfection
Sick animals excrement Press 5.1 added bleach (chlorine content of 25% to 32%), disinfection After 2h 2m deep or less, shall not be used as a fertilizer
material. Depending on the circumstances, may choose other dry powder or chlorine disinfectant solution, but the final chlorine concentration less than 40000mg/L.
5.2.1.9.3 sick animals pens disinfection
Ground sick animals or dead animals to stay over, wall with 5000mg/L effective chlorine or peracetic acid 10000mg/L disinfectant, press
100mL/m2 ~ 300mL/m2 dose, were continually sprayed 3 times at an interval 1h. If the livestock pens should be ground to earth ground 10cm ~
Wedges 15cm soil surface, then press the soil. the drug is 5.1 mix plus bleach (chlorine content of 25% to 32%), deep in the 2m
the following.
5.2.1.9.4 contaminated feed, weeds and garbage treatment
Contaminated feed sick animals, weeds and garbage should be incinerated.
5.2.1.9.5 hand, skin, and mucous membrane disinfection
When a low resistance by bacteria and viral contamination lipophilic, can be used alcohol-based hand disinfectants; that is more resistant hydrophilic virus, Mycobacterium
Coli contamination when available iodine, 3% hydrogen peroxide disinfectant; for contamination by Bacillus should wash their hands full, if necessary, with 0.2% peracetic acid or iodine
Alcohol for disinfection.
5.2.2 spread through the respiratory route B, C class infectious foci disinfection principle
Spread through the respiratory route of pulmonary anthrax, diphtheria, tuberculosis, SARS and other infectious pathogen contamination of indoor air, ground
Walls, appliances, etc. according to the requirements of 5.1.1.1 ~ 5.1.1.2 disinfection. Pulmonary anthrax air peracetic acid can be used at home, the amount of drug
3g/m2 (ie 20% of peracetic acid 15mL, 15% peracetic acid 20mL), placed in enamel or glass heating fumigation 2h, smoked
Before steaming should close doors and windows, sealed cracks, open doors and windows ventilation after the sterilization is complete; we can use an aerosol spray disinfection with 2% peracetic acid
8mL/m3, disinfection 1h.
5.2.3 through the skin, mucous membrane contact transmission of class B and C infectious foci disinfection principle
5.2.3.1 environment, equipment disinfection
5.2.3.1.1 be the patient's blood, body fluids, excretions and secretions contaminated floors, walls, tables, chairs, beds, cabinets, vehicles should take effective
Disinfection measures; sodium hypochlorite or sodium dichloroisocyanurate chlorine preparations for spraying, soaking, wiping disinfection, liquid chlorine content by pollution
The severity and nature of the available 1000mg/L ~ 2000mg/L; contaminated blood and excreta with a final content of 5000mg/L ~ 10000mg/L
Available chlorine, flushing action promptly after 20min ~ 60min.
5.2.3.1.2 infectious waste, according to the "Medical Waste Management Regulations" (2003 edition) and the relevant provisions focus, no condition shall be specifically
Person responsible for sterilization or incineration.
5.2.3.1.3 When transporting the sick, sick animals, dead animals or fur or non-contaminated ground road transport should be covered or covered with plastic sheeting, transporting finished
After completion, contaminated plastic sheeting immediately incinerated.
5.2.3.1.4 Medical Devices Press WS310.2 execution.
5.2.3.1.5 endoscopic endoscopic cleaning and disinfection in accordance with the relevant technical standards and "disinfection technical specifications" (2002 edition) requirements implemented.
5.2.3.2 hands and skin, mucous membrane disinfection
Press 5.2.1.9.5 execution.
5.2.3.3 clothing and disinfection products
Press 5.1.1.2 disinfection.
Disinfection 5.2.3.4 heat intolerance and other fur items
Possible anthrax contamination coat, sweater, rayon, shoes and books and other disinfection, the best selection of ethylene oxide fumigation, the amount of drug
600mg/L, 30 ℃ ~ 40 ℃, 60% relative humidity, disinfection 48h. Animal hair can be 2% nitric acid or 10% sulfuric acid solution soak for 2h, hides
Can also be added 2.5% hydrochloric acid solution 15% saline solution was maintained at above 30 ℃ removed after soaking 40H (10L solution per kg of hides with
Liquid), then add 1% sodium hydroxide solution to neutralize the hydrochloric acid immersion 2h, then rinse with water and dried.
5.3 Other infectious foci disinfection principle
Emerging infectious diseases, unexplained infectious foci disinfection should be based on different characteristics according to its epidemiology and harmful levels of 5.1 and
5.2 requirements infectious foci disinfection disinfection principle.
6 foci disinfection Evaluation
Executed in accordance with Appendix C.
Appendix A
(Normative)
Foci terminal disinfection procedures
A.1 work program
After sterilization A.1.1 officers arrived the patient's home, first make an explanation to the patient's family. Check the house number, name of the patient compliance, understanding
Date of onset cases, the patient room, articles for use in contact daily activities and the like, and thus determine the disinfection of objects, scope and methods.
Disinfection should be worn before A.1.2 good gowns, caps, masks, gloves, ready protective equipment, on-site observation, understanding of pollution, clean division
Area and the contaminated area, not to prohibit access disinfect the area, according to the area or volume of goods to calculate how much the amount of drug formulated disinfection, and note
The content of the drug with the active ingredient, to ensure the effective concentration of the drug configuration.
A.1.3 necessary in the implementation of disinfection should be preceded by the inspectors to collect samples of different objects disinfection (according to GB 15982-2012 Appendix A
Execution) to understand before disinfection pollution.
A.1.4 will need to focus on disinfection of contaminated clothes, bed sheets and other items collected together to process (or into a large canvas bag or disposable plastic bags
They are sent to the local disease prevention and control disinfection or sterilization station).
A.1.5 room before disinfection, the doors and windows should be closed, protect water sources (wells cover the stove, water tanks, etc.), take out food, kitchen utensils and so on. If the intestinal mass
Sick, it should fly off the interior, and then sterilized.
A.1.6 patient's excrement, vomit, secretions, food residue, as well as the aforementioned dirt mounted toilet, spittoon, sputum cup and used daily
Supplies (utensils, towels, rags, toothbrushes, towels, etc., as well as hides, fur, dairy products, etc.) should be strictly disinfected.
A.1.7 Disinfection order. outer should be after the first, the first following the first cleaning polluted places in the room, followed by the door, floors, furniture, walls
Etc. disinfectant spray; respiratory infections focus on doing the air disinfection.
A.1.8 After indoor disinfection is completed, the other to deal with the pollution, such as corridors, staircases, toilets, manholes and other disinfection.
A.1.9 will focus on site disinfection items, disinfection after a good return of the patient's home and told the patient's family in 60min after cleaning
deal with.
A.1.10 infectious patients are ready to Disinfection requirements. after receiving the diagnosis of patients and isolate the original resident card, disinfection should immediately refer to the patient's home
Disinfection guide at any time, to provide the necessary drugs when necessary, and indicate the name of the drug and method of use. According to the specific disease and the patient's home situation should be done
"Three - Separation" and "Six disinfection." "Three - Separation" are. living room (conditions are not met by the available curtain separated, at least separate beds), diet, life appliances
(Including tableware, toiletries, potty, Tanguan etc.) separately; "Six disinfection" is. Disinfection secretions or excretions, disinfection living appliances, disinfect hands,
Disinfect clothing and blankets, disinfect patient room, disinfect sewage. Family members of patients and caregivers in addition to doing the patient any time disinfection should be
They do a good job of health protection, especially after the care of patients to disinfect hands.
A.1.11 after disinfection is completed, you should disinfect all tools decontamination, and then turn off gowns, caps, masks (or other
Protective equipment), folded clothes on, so that the dirty side of the volume inside the bag back into the special disinfection thoroughly disinfected; staff should be thoroughly disinfected finally cleared
Wash hands, disinfect and fill good jobs record sheet; disinfection is completed after 60min, inspectors sampled again, disinfection should tell patients at home
After disinfection 1h ~ 2h, ventilation and scrub thoroughly, then disinfect evacuation. If necessary foci terminal disinfection should be evaluated (see Annex
Record C).
A.1.12 outdoor environment or the patient to live, work of contaminated sites (such as factories, offices, schools, etc.) should be determined according to the specific circumstances of track
Sterilization or disinfection guide the unit infirmary.
A.1.13...
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